1020245150015 has 16 divisors (see below), whose sum is σ = 1506823606848. Its totient is φ = 645781545216.

The previous prime is 1020245149993. The next prime is 1020245150017. The reversal of 1020245150015 is 5100515420201.

It is a cyclic number.

It is not a de Polignac number, because 1020245150015 - 2¹⁰ = 1020245148991 is a prime.

It is a super-2 number, since 2×1020245150015² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020245150017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121148062 + ... + 1121148971.

It is an arithmetic number, because the mean of its divisors is an integer number (94176475428).

Almost surely, 2^{1020245150015} is an apocalyptic number.

1020245150015 is a deficient number, since it is larger than the sum of its proper divisors (486578456833).

1020245150015 is a wasteful number, since it uses less digits than its factorization.

1020245150015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242297058.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 1020245150015 in words is "one trillion, twenty billion, two hundred forty-five million, one hundred fifty thousand, fifteen".